Inion
Sehr
prominenter Okzipitalsporn. Die Protuberantia cccipitalis externa ist hakenförmig vergrößert.
Pterion •
Skull landmarks - annotated images - Ganzer Fall bei Radiopaedia
Inion •
Massive external occipital protuberance - Ganzer Fall bei Radiopaedia
Teenager with
a painful bump on the back of the head in the midline. Lateral radiograph of the skull shows a large bony spur originating from the occipital bone.The diagnosis was external occipital protuberance.
The inion (plural: inia/inions) is the tip of the external occipital protuberance (EOP), the midline bony prominence in the occipital bone from which the ligamentum nuchae and trapezius muscle attach. It is usually easily palpable.
It is the surface marking of the internal attachment of the tentorium cerebelli.
It is one of the skull landmarks, craniometric points for radiological or anthropological skull measurement.
Siehe auch:
Assoziationen und Differentialdiagnosen zu Inion: